Service difficulty report · Frame · Boeing 737436

Difficulty date
April 24, 2024
Submitted
June 24, 2024
Operation
Air carrier
Aircraft
N407YK
Make and model
Boeing 737436
Aircraft serial
25844
Aircraft time
61,937 hours, 41,552 cycles
Part
Frame
Part number
UNKNOWN
Condition
Cracked
Location
Bs 380 S20-21l
Stage of operation
IN
How discovered
E
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DO HFEC INSP. FOUND FRAME INTEGRAL INBOARD CHORD CRACKED ABOUT 0.2" IN LENGTH AT BS 380 BETWEEN S-20L AND S-21L AS MARKED.